157748542 has 24 divisors (see below), whose sum is σ = 291449664. Its totient is φ = 63628992.

The previous prime is 157748531. The next prime is 157748551. The reversal of 157748542 is 245847751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45678 + ... + 49009.

It is an arithmetic number, because the mean of its divisors is an integer number (12143736).

Almost surely, 2^157748542 is an apocalyptic number.

157748542 is a deficient number, since it is larger than the sum of its proper divisors (133701122).

157748542 is a wasteful number, since it uses less digits than its factorization.

157748542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94720 (or 94713 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 157748542 is about 12559.7986448828. The cubic root of 157748542 is about 540.3250694787.

The spelling of 157748542 in words is "one hundred fifty-seven million, seven hundred forty-eight thousand, five hundred forty-two".